Attempt to install omz as a site function instead.

oh-my-zsh

@@ -0,0 +1,51 @@
+# Initializes Oh My Zsh
+oh-my-zsh() {
+ZSH=${ZSH:-/usr/share/oh-my-zsh}
+OMZ=${OMZ:-$HOME/.omz}
+
+local config_file plugin
+plugin=${plugin:=()}
+
+# add a function path
+fpath=($ZSH/functions $ZSH/completions $fpath)
+
+if [[ -d $OMZ ]]; then
+  [[ -d $OMZ/functions ]] && fpath=($OMZ/functions $fpath)
+  [[ -d $OMZ/completion ]] && fpath=($OMZ/completions $fpath)
+fi
+
+for config_file ($ZSH/lib/*.zsh(N))
+  source $config_file
+
+if [[ -d $OMZ ]]; then
+  for config_file ($OMZ/*.zsh(N))
+    source $config_file
+fi
+
+for plugin ($plugins)
+  fpath=($ZSH/plugins/$plugin $fpath)
+
+if [[ -d $OMZ ]]; then
+  if [[ -d $OMZ/plugins ]]; then
+    for plugin ($plugins)
+      fpath=($OMZ/plugins/$plugin $fpath)
+  fi
+fi
+
+# Load and run compinit
+autoload -U compinit
+compinit -i
+
+# load plugins
+for plugin ($plugins); do
+  if [[ -f $OMZ/plugins/$plugin/$plugin.plugin.zsh ]]; then
+    source $OMZ/plugins/$plugin/$plugin.plugin.zsh
+  elif [[ -f $ZSH/plugins/$plugin/$plugin.plugin.zsh ]]; then
+    source $ZSH/plugins/$plugin/$plugin.plugin.zsh
+  fi
+done
+
+local theme
+zstyle -a :omz:style theme theme
+set_theme $theme
+}